| | POSITION SWITCH WITH SEPARATE ACTUATOR METAL HOUS., F. EXPLOSION PROTECTION SIDE OPERATION SLOW-ACTION CONTACTS 1NO+1NC 1XM20X1.5 EX PROTECTION, FOR ZONE22 ACC. TO ATEX 95, GUIDELINE NR. 94/9/EG, II 3 D |
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| General technical details: |
| product designation | | safety position switch |
| Active principle | | mechanical |
| Product function / status display | | No |
| Item designation / according to DIN 40719 extendable after IEC 204-2 / according to IEC 750 | | S |
| Item designation / according to DIN EN 61346-2 | | B |
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| Enclosure: |
| Design of the housing | | design complying with EN 50041 |
| Design of the housing / according to standard | | Yes |
| Coating / of the housing | | painted |
| material / of the housing | | metal |
| Length of the sensor | mm | 116.3 |
| Width of the sensor | mm | 40 |
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| Drive Head: |
| Design of the operating mechanism | | separate actuator |
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| Contact: |
| Design of the contact element | | slow-action contacts |
| Number of NC contacts / for auxiliary contacts | | 1 |
| Number of NO contacts / for auxiliary contacts | | 1 |
| Number of change-over switches / for auxiliary contacts | | 0 |
| Design of the switching function | | positive opening |
| Design of the electrical connection | | screw-type terminals |
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| Ambient conditions: |
| Protection class IP | | IP67 |
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| Certificates/approvals: |
| Verification of suitability | | CE / UL / CSA / CCC |
| Acceptability for application / safety cut-out switch | | Yes |
| Explosion protection category for dust | | zone22, 94/4/EG II 3D |
| Ambient temperature | | |
| | °C | 85… -30 |
| General Product Approval | For use in hazardous locations | | | | ROSTEST | | other | | | Shipping Approval | other | | | | | | Manufacturer | | |
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| Further information: |
| Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/industrial-controls/catalogs |
| Industry Mall (Online ordering system) http://www.siemens.com/industrial-controls/mall |
| CAx-Online-Generator http://www.siemens.com/cax |
| Service&Support (Manuals, Certificates, Characteristics, FAQs,...) http://support.automation.siemens.com/WW/view/en/3SE2120-0XX00-0AE0/all |
| Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...) http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3SE2120-0XX00-0AE0 |
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| last change: | Feb 6, 2012 |
